The control manifolds forthe threecutting decksections
are very similar. Note: When servicing the PTO control
manifolds, DO NOT interchange parts from one control
manifold to another.
FRONT PTO MANIFOLD
6
20
ft--lb
4
5
(
27 N--m)
7
3
NOTE: The ports on the PTO control manifolds are
marked for easy identification ofcomponents. Example:
SisthesolenoidvalveandM2isthereturnfromthedeck
motor(seeHydraulicSchematicinChapter10 -- Foldout
Drawings to identify the function of the hydraulic lines
and cartridge valves at each port).
2
8
UP
1
5
7
9
10
Removal (Fig. 77)
1.
Installing Hydraulic System Components at the begin-
ning of the Service and Repairs section of this chapter.
Read the General Precautions for Removing and
11
7
14
13
12
2.
manifold removal, thoroughly clean exterior of manifold
and fittings.
To prevent contamination of hydraulic system during
Figure 78
1.
2.
3.
4.
5.
6.
7.
Front PTO manifold
O--ring
8.
9.
10. O--ring
11. O--ring
Hydraulic 45o fitting
O--ring
Quick fitting
Dust cap
3.
ifold solenoid valve.
Disconnect wire harness connector from the man-
O--ring
12. Hydraulic tee fitting
Hydraulic 45o fitting
13. O--ring
4.
Disconnect hydraulic lines from manifold and put
O--ring
14. Hydraulic 90o fitting
caps or plugs on open hydraulic lines and fittings. Label
disconnected hydraulic lines for proper assembly.
RH PTO MANIFOLD
6
5.
ling.
Support PTO control manifold to prevent it from fal-
4
5
20
(27
ft--lb
N--m)
6.
Remove two (2) cap screws and flange nuts that se-
7
3
cure manifold to frame. Remove PTO control manifold
from the frame.
8
2
7
5 ft--lb
1
(101
N--m)
9
7.
If hydraulic fittings are to be removed from manifold,
mark fitting orientation to allow correct assembly. Re-
move fittings from manifold and discard O--rings.
1
4 5
8
10
Installation (Fig. 77)
1.
If fittings were removed from manifold:
11
13
UP
A. Lubricate new O--rings with clean hydraulic oil.
Install lubricated O--rings on fittings.
12
7
Figure 79
B. Installfittingsintomanifoldopenings usingmarks
made during the removal process to properly orien-
tate fittings.
1.
2.
3.
4.
5.
6.
7.
RH PTO manifold
O--ring
Quick fitting
Dust cap
O--ring
Hydraulic 90o fitting
O--ring
8.
9.
10. O--ring
11. Hydraulic 90o fitting
12. O--ring
13. O--ring
14. Straight fitting
O--ring
Hydraulic tee fitting
C. Refer to Figures 78, 79 and 80 for straight fitting
installation torque.Forinformation ontighteningpro-
cedures for adjustable fittings, see Hydraulic Fitting
Installation in the General Information section of this
chapter.
2.
cure with two (2) cap screws and flange nuts.
Position PTO control manifold to the frame and se-
Groundsmaster 5900/5910
Page 4 -- 105
Hydraulic System
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